My Dell Inspiron is not powering on. Why?

hello computer lover,i hav a dell inspiron 6400 that had water mistakenly poured into it.i opened it up and cleaned it up,i even heated it up alittle.after doing that it came on.i now put it off thinking that was all,bt surprisingly it didnt come on after sometime.
i later noticed it blinks light and sometimes comes up occasionally.
i hav trid powering it up on battery,i hav also trid with ac power alone bt they all result in the same result.
pls what can i do next??????